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Finding the Fourth Proportional to 19,903.05, 29,850.86 and 8,053.73

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Solution

The fourth proportional to 19,903.05, 29,850.86 and 8,053.73 is: 12,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.05 : 29,850.86 = 8,053.73 : x
  2. Step 2: Convert to fraction form
    19,903.05/29,850.86 = 8,053.73/x
  3. Step 3: Cross multiply
    19,903.05x = 29,850.86 × 8,053.73
  4. Step 4: Simplify right side
    19,903.05x = 240,410,577.18
  5. Step 5: Solve for x
    x = 240,410,577.18/19,903.05
  6. Step 6: Final answer
    x = 12,079.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.